The Positions Summary API provides a comprehensive snapshot of institutional holdings for a specific stock symbol. It tracks key metrics like the number of investors holding the stock, changes in the number of shares, total investment value, and ownership percentages over time.
AI agents call getPositionsSummary to retrieve information from Financial Modeling Prep MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries publicly available or authorized institutional position data. It has no side effects, does not execute code or trigger external operations, does not create or modify data, and does not move money or create financial obligations. It is a straightforward read-only data access tool.
From the tool's definition Tool name 'getPositionsSummary' and description stating it 'provides a comprehensive snapshot' and 'tracks key metrics' of institutional holdings—purely data retrieval with no modification, deletion, execution, or financial transaction capabilities.
Attacks that exploit this kind of access
The Positions Summary API provides a comprehensive snapshot of institutional holdings for a specific stock symbol. It tracks key metrics like the number of investors holding the stock, changes in the number of shares, total investment value, and ownership percentages over time. It is categorised as a Read tool in the Financial Modeling Prep MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Financial Modeling Prep MCP Server MCP server in PolicyLayer and add a rule for getPositionsSummary: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Financial Modeling Prep MCP Server. Nothing to install.
getPositionsSummary is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the getPositionsSummary rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for getPositionsSummary. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
getPositionsSummary is provided by the Financial Modeling Prep MCP Server MCP server (vijitdaroch/financial-modeling-prep-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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